CN1063204C - Emulsion ink for stencil printing - Google Patents
Emulsion ink for stencil printing Download PDFInfo
- Publication number
- CN1063204C CN1063204C CN97113985A CN97113985A CN1063204C CN 1063204 C CN1063204 C CN 1063204C CN 97113985 A CN97113985 A CN 97113985A CN 97113985 A CN97113985 A CN 97113985A CN 1063204 C CN1063204 C CN 1063204C
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- CN
- China
- Prior art keywords
- ink
- printing ink
- printing
- pigment
- oil phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/023—Emulsion inks
- C09D11/0235—Duplicating inks, e.g. for stencil printing
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
An emulsion ink for stencil printing is provided, which is high in transparency and does not hide previously a printed pattern when it is overlaid or printed on the pattern so as to facilitate multicolor printing with conventional stencil printing machines. The emulsion ink comprises an oil phase and a water phase and contains in the oil phase a coloring pigment together with an extending pigment that is insoluble in the oil phase, in which the ink has an optical density value of 1.0 or more as measured by a reflection densitometer when the ink is applied and dried in a thickness of 50 mu m onto a transparent sheet placed on a black standard board, and in which the ink has an optical density value of 0.7 or less as measured by the reflection densitometer when the transparent sheet is placed on a white standard board. Preferably, the coloring pigment constitutes 0.02 to 1%, and the extending pigment constitutes 1 to 5% by weight, of the total weight of the ink.
Description
The present invention relates to be used for the emulsion ink of stencilization, more specifically relate to very transparent printing ink, so that when it being printed on the pattern that printed in advance, also this pattern can not hidden.
Stencilization is by masterplate punching being made master mold, and the meshed portion that makes printing ink pass master mold then passes to object to be printed for example on the printing paper and realize.Because master mold is easy to preparation, thereby stencilization is widely used in many fields.
Usually the ink for stencilling that adopts is water-in-oil-type (W/O) emulsion ink, contains the pigment as tinting material in the oil phase of this printing ink.Because can supply with the printing ink distinct colors according to various tinting materials, so, adopt the printing ink of these colors also can carry out multicolor printing.
Usually, colored stencilization be by in advance on printing paper the printing contour patterns, adopt the stencilization cover to be imprinted on the printing paper then, the area coloring in this pattern contour is realized.Yet if accurately punching or it is not placed on printing paper exactly when printing of the master mold that is used for chromaticity printing, color and pattern are inconsistent, will make that to print finished product in disorder.In addition, because conventional ink for stencilling lacks transparency, this painted inconsistent meeting hides preprinted pattern, so that can not obtain desired multicolor printing effect.
In order to address the above problem, the device that existing people's suggestion will improve stamp fabrication accuracy or printing accuracy appends in the stenciler.Yet this can make printing press complicated, thus the simplicity and the rationality of prices of infringement stenciler.
The purpose of this invention is to provide the emulsion ink that is used for stencilization, this printing ink is very transparent, so that can be printed on the pattern that printed in advance and can not adopt the pattern of conventional stenciler printing to hide.
According to the present invention, above-mentioned purpose realizes by the emulsion ink that is used for stencilization, this printing ink comprises oil phase and water, and the expansion pigment that in described oil phase, contains tinting pigment and be insoluble to this oil phase, wherein, coating thickness is 50 microns described printing ink and makes its drying on the transparent panel that is being positioned on the black standard plate, when adopting reflection densitometer to measure, the optical density(OD) that this printing ink has (hereinafter be called " OD ") value is 1.0 or higher, and when described transparent panel is placed on the white standard plate, when measuring with described reflection densitometer, the OD value that this printing ink has is 0.7 or lower.
That is to say, the invention provides the emulsion ink that is used for stencilization, this printing ink is very transparent, so that when it is printed on the pattern that printed in advance, no matter be with on the bright color or the pattern of dark-coloured ink printing the time, can not hide preprinted pattern.When the OD value on the black standard plate less than 1.0 the time, printing ink hides preprinted dark-coloured pattern, and can not obtain desired multicolor printing effect.When the OD value on the white standard plate greater than 0.7 the time, printing ink hides preprinted bright color pattern, can not obtain desired multicolor printing effect.Therefore, the OD value on the preferred black standard plate is 1.1 or higher, and the OD value on the white standard plate is 0.6 or lower.
Water-in-oil-type (W/O) emulsion ink with above-mentioned transparency can be by for example preparing with the printing ink oil phase that contains tinting pigment and oily insoluble expansion pigment, and the add-on of tinting pigment is limited in the 0.02-1% that accounts for the printing ink gross weight, preferred 0.05-0.9% (weight).If the consumption of tinting pigment can not show enough colors less than 0.02% (weight).If the consumption of tinting pigment is greater than 1% (weight), the transparency of printing ink reduces, and when it being printed on the preprinted pattern, this pattern will be hidden.
In general, if the concentration of pigment in the printing ink is reduced, can increase the transparency of printing ink.Yet under the situation of emulsion ink, the viscosity of printing ink also can descend, thereby makes slur maybe set-off can occur, and the quality of printing finished product is reduced.Yet owing to contain expansion pigment in oil phase of the present invention, the transparency of emulsion ink can not be affected, and printing ink also can keep the same high viscosity with the conventional emulsions printing ink that is used for stencilization.
According to the present invention, because reacting to each other between tinting pigment and the expansion pigment can provide the versicolor printing ink of excellent transparency to be used for stencilization.Because ink printing of the present invention on preprinted pattern the time, can not hide this pattern, therefore, it is convenient to adopt conventional stenciler to carry out multicolor printing, and by the transparency of printing ink, can provide the printed matter of watercolor sample printing.
The add-on that expands pigment can be according to desired ink viscosity change.When plan is used for the portable type stenciler to ink for stencilling of the present invention, it can be mixed with sprawling instrument and measure and to have the denseness of representing with a minute 32 or lower yield point value, and contain the expansion pigment that its amount accounts for printing ink gross weight 1-5% (weight) usually.When the consumption that expands pigment during less than 1% (weight), printing ink trends towards flushing on printing paper.When the consumption that expands pigment during greater than 5% (weight), become thickness too so that when printing, can not pass the meshed portion of masterplate of printing ink.
Can adopt and light is passed through or the fine particle of transparent organic or inorganic as expanding pigment.Inorganic fine grain example is lime carbonate, process white, ground barium sulfate, silicon-dioxide, white lake, aluminium hydroxide, kaolin, clay, talcum, wilkinite etc.In order to guarantee the working life of emulsion, preferably carried out the inorganic fine particle that oleophylic is handled.Described oleophylic is handled and is comprised with resinous acid or fatty acid treatment with silicone resin and handling.Organically fine particle must be insoluble or should not be dissolved in oil phase basically.Organic fine grain example is the fine particle of polyacrylate(s), urethane, polyethylene, polypropylene, polyvinyl chloride, wax etc.
Tinting pigment is not limited to specific a kind of, but can be any known pigment.The tinting pigment that is used for monochrome ink is a carbon black, for example oven process carbon black, dim, acetylene black and channel black.Tinting pigment can be organic pigment, for example azo pigment, phthalocyanine pigments, dioxazines pigment and quinacridone pigment.
Solvent and emulsifying agent that the oil phase of W/O emulsion ink of the present invention comprises above-mentioned tinting pigment, above-mentioned expansion pigment at least, is made up of nonvolatile solvent and/or volatile solvent.For the viscosity of regulating printing ink or improve for example printing ink fixing of printability, this oil phase can also comprise resin.
Can adopt for example for example sweet oil, Viscotrol C, salad oil and soya-bean oil of motor oil, spindle oil, machine oil and whiteruss and vegetables oil of mineral oil as nonvolatile solvent.Can adopt the solvent of known mineral oil and plant oil as volatile solvent.
Adopt emulsifying agent to form the W/O emulsion of printing ink, preferably adopt nonionogenic tenside.As this nonionogenic tenside, the ester class that the sorbitan higher fatty acid is arranged that can mention is sorbitol anhydride mono-laurate, sorbitol anhydride monopalmitate,, sorbitol anhydride tristearate, sorbitan mono-oleic acid ester and sorbitol anhydride sesquioleate and glycerol mono fatty acid ester, dialycerides fat acid esters for example, and the ethylene oxide adduct of higher alcohols, alkylphenol, lipid acid etc.
As what resin can be mentioned rosin ester, Abietyl modified maleic resin, Abietyl modified resol, Synolac, petroleum resin, xylene resin, polyamide resin etc. arranged.
Water of the present invention can be a water, can choose wantonly and add water miscible additive, for example wetting agent, ionogen, mould inhibitor, antioxidant, water evaporation suppressor etc. in water.
Water-in-oil of the present invention (W/O) emulsion ink can for example add in the above-mentioned oil phase of 10-70% (weight) by the above-mentioned water with 90-30% (weight) gradually, and employing agitator or similar means make this emulsifying mixture and make.
Embodiment
Hereinafter, will the present invention will be described in more detail by present preferred operation embodiment.It should be understood, however, that the present invention never is confined to these embodiment.In following embodiment, except as otherwise noted, term " umber " refers to " umber (weight) ".
Embodiment 1-7, Comparative Examples 1-3
Adopt following method to prepare water-in-oil (W/O) emulsion ink according to the prescription shown in the table 1.At first, resin is added in the solvent, by heating it is dissolved in then and wherein prepares stand linseed oil.Adding tinting pigment, expanding pigment and emulsifying agent and, the grinding machine that employing has three rollers this mixture of kneading with after stand linseed oil mixes.Under agitation, solvent is added in the product of kneading to make oil phase again.
Then, by making water in the water that glycerine is added to ion-exchange.Under agitator stirs, gradually water is added to making its emulsification in the oil phase, thereby make water-in-oil (W/O) emulsion ink that is used for stencilization.According to the method described in the Japanese patent laid-open publication gazette communique (KoKoKu) 23601/79, the method for this patent is equivalent to JIS (Japanese Industrial Standards) K5701, adopts to sprawl instrument and measure yield point value in the emulsion ink that generated a minute.Performance test
According to following method the various emulsion inks that are used for stencilization of gained among embodiment 1-7 and the Comparative Examples 1-3 are estimated, assessment item has the OD value (being reflection density) on fuzzy situation, the OD value on the black standard plate (being reflection density) and the white standard plate of transparency, printing of printing ink.The results are shown in table 2.
(1) transparency of printing ink (visual inspection): pattern is printed on several the printing paper in advance with brown printing ink.Then, use the above-mentioned every kind of emulsion ink portable type stenciler that is used for stencilization " PRINT GOCCO " (trade mark, RISO KAGAKU CORPORATION produce) republish on this pattern.On being observed visually paper, produce the light color of watercolor sample and when preprinted pattern being hidden, this result represents with (++).Covered and when not observing the existing of pattern, this result represents with (-) when being observed visually preprinted pattern.When the phenomenon that is observed visually was between (++) and (-), this result represented with (+).When being observed visually the too shallow and printing that do not observe the back of the ink colors that is used for printing later and existing, this result represents with (=).
(2) Yin Shua fuzzy situation: use the above-mentioned every kind of emulsion ink portable type stenciler that obtains " PRINT GOCCO " (trade mark, RISO KAGAKU CORPORATION produce) with stencilization on several printing paper.Then, adhered to the locational fuzzy situation of printing ink gained printed matter with the magnifying glass observation of amplifying 10 times.Almost do not have when fuzzy when observing, this result represents with (+).When very remarkable, this result represents with (-) when fuzzy.
(3) reflection density (OD value): adopting YBA type baking (baker) applicator is to apply printing ink on 50 microns the transparent polyester film to form thickness be 50 microns ink coating at thickness, then, dry under envrionment conditions.Subsequently according to OD value (reflection density) on the following method mensuration black standard plate and the OD value (reflection density) on the white standard plate.Being used for gauged black standard plate of optical density(OD) and white standard plate therebetween, all is the on-gauge plate that supplies reflection densitometer (Macbeth RD920, Kollmorgen Corp. produces) usefulness.The black optical density of black standard plate is 1.80.The white light density of white standard plate is 0.05.
(3-1) the OD value on the black standard plate: above-mentioned polyester film is placed on the above-mentioned black standard plate, adopts the reflection density on the above-mentioned reflection densitometer mensuration ink coating.
(3-2) the OD value on the white standard plate: above-mentioned polyester film is placed on the above-mentioned white standard plate, adopts the reflection density on the above-mentioned reflection densitometer mensuration ink coating.
Prescription (umber (weight)) embodiment embodiment 1 embodiment 2 embodiment 3 embodiment 4 embodiment 5 embodiment 6 embodiment 7 Comparative Examples 1 Comparative Examples 2 Comparative Examples 3 oil phases of table 1:W/O emulsion ink: coloring pigment: carmine 6B 1.0 0.5 0.1 0.02---2.5 0.01-carbon blacks------the 0.05--cyanine is blue--0.001-0.1-----dual-azo yellow-----1.0---1.3 expands pigment: silica 2.0--2.0 3.0-3.0--2.0 calcium carbonate-2.0---2.0----polyethylene powder--2.0-------resin: the phenolic resins 4.0 7.0 7.0-7.0 7.0 7.0 7.0 7.0 7.0 Petropols 4.0--8.0------that alkyd resins 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 is Abietyl modified
(continued 1) sorbitan mono-oleic acid ester 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 solvents: No.6 solvent, (Nippon Oil Co.Ltd. production) 13.0 14.0 13.9 15.0 12.9 13.0 14.0 14.0 13.0 12.7#40 motor oils, 1.0 1.5 2.0 3.0 2.0 2.0 3.0 1.5 5.0 2.0 waters: water: the water 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 water evaporation suppressors of ion-exchange: glycerine 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0
Table 2: the transparency (visually observing) of the performance test results embodiment embodiment 1 embodiment 2 embodiment 3 embodiment 4 embodiment 5 embodiment 6 embodiment 7 Comparative Examples 1 Comparative Examples 2 Comparative Examples 3 printing ink: (+) (++) (++) (++) (++) (++) (++) (-) (=) (-) slur situation: the OD value on (+) (+) (+) (+) (+) (+) (+) (+) (-) (+) black standard plate: the OD value on the 1.3 1.4 1.56 1.57 1.6 1.0 1.6 1.49 1.6 0.72 white standard plates: 0.61 0.53 0.19 0.14 0.34 0.11 0.18 1.08 0.09 0.12 sprawl one minute slamp value that instrument records: 24 24 25 24 25 24 25 24 34 24
The emulsion ink that contains the embodiment 1-7 of the tinting pigment that expands pigment and account for printing ink gross weight 0.02-1% (weight), transparency is best and produce blooming hardly.Contain the embodiment 2-5 of the tinting pigment that accounts for printing ink gross weight 1% or lower (weight) and 7 emulsion ink, transparency is fabulous.On the other hand, contain the Comparative Examples 1 of a large amount of tinting pigments and 3 printing ink, bluring seldom of generation still can not show practical transparency.The ink transparency that contains the Comparative Examples 2 of seldom measuring tinting pigment is fabulous, but undercolour and generation blooming.
According to the present invention, because tinting pigment and expand reacting to each other between the pigment, the emulsion ink that can provide the stencilization of excellent transparency to use, this printing ink has the viscosity that is suitable for controlling, and produces blooming hardly on printing paper.Printing ink of the present invention can not hide this pattern, therefore when chromatography or when being printed on the preprinted pattern, can easily adopt conventional stenciler to carry out multicolor printing, in addition, by the transparency of printing ink of the present invention, can provide the printed matter of watercolor sample style.
Claims (2)
1. emulsion ink that is used for mould printing, this printing ink comprises oil phase and the 90-30 weight % water of 10-70 weight %, and the expansion pigment that in described oil phase, contains tinting pigment and be insoluble to this oil phase, described expansion pigment is to be insoluble to described oil phase and light to be passed through or transparent inorganic or organic fine particle, described tinting pigment accounts for the 0.02-1 weight % of printing ink gross weight, and described expansion pigment accounts for the 1-5 weight % of printing ink gross weight, wherein, coating thickness is 50 microns described printing ink and makes its drying on the transparent panel that is being positioned on the black standard plate, when adopting reflection densitometer to measure, the optical density value that this printing ink has is 1.0 or higher, and when described transparent panel is placed on the white standard plate, when measuring with described reflection densitometer, it is 0.7 or lower that this printing ink has optical density value, wherein has one minute 32 or lower yield point value when described printing ink when sprawling instrument and measure.
2. according to the emulsion ink that is used for mould printing of claim 1, wherein said fine inorganic particles is to carry out those fine particles that oleophylic is handled.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP188463/1996 | 1996-06-27 | ||
| JP188463/96 | 1996-06-27 | ||
| JP18846396A JP3425507B2 (en) | 1996-06-27 | 1996-06-27 | Emulsion ink for stencil printing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1170740A CN1170740A (en) | 1998-01-21 |
| CN1063204C true CN1063204C (en) | 2001-03-14 |
Family
ID=16224160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97113985A Expired - Fee Related CN1063204C (en) | 1996-06-27 | 1997-06-26 | Emulsion ink for stencil printing |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5902388A (en) |
| EP (1) | EP0816451B1 (en) |
| JP (1) | JP3425507B2 (en) |
| CN (1) | CN1063204C (en) |
| DE (1) | DE69715323T2 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3614668B2 (en) * | 1998-06-23 | 2005-01-26 | 理想科学工業株式会社 | Emulsion ink for stencil printing |
| DE19855014A1 (en) * | 1998-11-20 | 2000-05-25 | Rotring Int Gmbh | Anti-wear additive for inks and the ink composition containing the additive |
| GB9923083D0 (en) | 1999-09-29 | 1999-12-01 | Gr Advanced Materials Ltd | Emulsion inks |
| JP2001172537A (en) * | 1999-12-21 | 2001-06-26 | Riso Kagaku Corp | Stencil printing emulsion ink |
| JP2002047439A (en) | 2000-08-02 | 2002-02-12 | Riso Kagaku Corp | Light-colored emulsion ink for stencil printing and stencil printing method |
| JP3757120B2 (en) * | 2001-01-17 | 2006-03-22 | 理想科学工業株式会社 | Emulsion ink for stencil printing |
| JP3462472B2 (en) * | 2001-01-26 | 2003-11-05 | 理想科学工業株式会社 | Emulsion ink for stencil printing |
| JP2005146279A (en) * | 2003-11-10 | 2005-06-09 | Gr Advanced Materials Ltd | Emulsion ink |
| GB0326198D0 (en) * | 2003-11-10 | 2003-12-17 | Gr Advanced Materials Ltd | Emulsion ink |
| GB0424505D0 (en) * | 2004-11-05 | 2004-12-08 | Gr Advanced Materials Ltd | Emulsion ink |
| GB0501114D0 (en) * | 2005-01-19 | 2005-02-23 | Gr Advanced Materials Ltd | Emulsion ink |
| US20110045252A1 (en) * | 2009-08-21 | 2011-02-24 | David Mark Rasch | Web materials comprising brown ink |
| JP2012012485A (en) * | 2010-06-30 | 2012-01-19 | Ricoh Co Ltd | W/o type emulsion ink for stencil printer |
| JP2012046581A (en) * | 2010-08-25 | 2012-03-08 | Riso Kagaku Corp | Non-aqueous inkjet ink |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0211325A2 (en) * | 1985-08-08 | 1987-02-25 | Bayer Ag | Method of making heliographic and flexographic printing inks |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06212108A (en) * | 1992-10-26 | 1994-08-02 | Ricoh Co Ltd | Ink for watermark printing and method of watermark printing by using same |
| JPH08218025A (en) * | 1995-02-13 | 1996-08-27 | Riso Kagaku Corp | Emulsion ink for stencil printing plate printing |
| JPH08302262A (en) * | 1995-05-01 | 1996-11-19 | Riso Kagaku Corp | Emulsion ink for pore plate printing |
| JPH08311384A (en) * | 1995-05-22 | 1996-11-26 | Dainippon Ink & Chem Inc | Polymer fine particle for stencil printing ink |
-
1996
- 1996-06-27 JP JP18846396A patent/JP3425507B2/en not_active Expired - Fee Related
-
1997
- 1997-06-18 DE DE69715323T patent/DE69715323T2/en not_active Expired - Fee Related
- 1997-06-18 EP EP19970401393 patent/EP0816451B1/en not_active Expired - Lifetime
- 1997-06-26 CN CN97113985A patent/CN1063204C/en not_active Expired - Fee Related
- 1997-06-27 US US08/883,663 patent/US5902388A/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0211325A2 (en) * | 1985-08-08 | 1987-02-25 | Bayer Ag | Method of making heliographic and flexographic printing inks |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0816451A1 (en) | 1998-01-07 |
| EP0816451B1 (en) | 2002-09-11 |
| DE69715323T2 (en) | 2003-05-22 |
| DE69715323D1 (en) | 2002-10-17 |
| US5902388A (en) | 1999-05-11 |
| JP3425507B2 (en) | 2003-07-14 |
| CN1170740A (en) | 1998-01-21 |
| JPH107965A (en) | 1998-01-13 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010314 |